3HAR

Crystal structure of bacteriorhodopsin mutant I148V crystallized from bicelles

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop, bicelle method	3.8	310	1.92 M sodium phosphate, 180 mM 1,6-hexanediol, 3.5 % triethylene glycol, PFPC used as cryoprotectant, pH 3.8, hanging drop, bicelle method, temperature 310K

Crystal Properties
Matthews coefficient	Solvent content
2.75	55.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.078	α = 90
b = 102.418	β = 90
c = 128.38	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 315		2008-04-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	1.00000	ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.7	95	93.9	0.12	16.38	9		31173

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.7	1.76	60.6		0.4		2.3	1976

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.7	51.23	31134	2423	93.87	0.183	0.181	0.206	RANDOM	19.084

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
			0.01		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.518
r_dihedral_angle_3_deg	12.662
r_dihedral_angle_4_deg	7.205
r_dihedral_angle_1_deg	3.812
r_scangle_it	2.848
r_scbond_it	1.994
r_angle_refined_deg	1.452
r_mcangle_it	1.141
r_mcbond_it	0.717
r_nbtor_refined	0.32
r_nbd_refined	0.207
r_symmetry_vdw_refined	0.194
r_chiral_restr	0.191
r_symmetry_hbond_refined	0.127
r_xyhbond_nbd_refined	0.118
r_bond_refined_d	0.011
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1830
Nucleic Acid Atoms
Solvent Atoms	133
Heterogen Atoms	47

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction